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Arab Journal of Nuclear Sciences and Applications
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Volume Volume 52 (2019)
Volume Volume 51 (2018)
Issue Issue 4
Issue Issue 3
Issue Issue 2
Khalil, M., El Hussaini, O., Abd El Wahab, G., Swafy, S. (2018). Chemical Treatment of El Missikat Fluorite-Bearing ore Material, Egypt, for Recovery of Pure Yttrium Oxide. Arab Journal of Nuclear Sciences and Applications, 51(4), 89-99. doi: 10.21608/ajnsa.2018.12397
M.M.H Khalil; O.M. El Hussaini; G.M. Abd El Wahab; S.K Swafy. "Chemical Treatment of El Missikat Fluorite-Bearing ore Material, Egypt, for Recovery of Pure Yttrium Oxide". Arab Journal of Nuclear Sciences and Applications, 51, 4, 2018, 89-99. doi: 10.21608/ajnsa.2018.12397
Khalil, M., El Hussaini, O., Abd El Wahab, G., Swafy, S. (2018). 'Chemical Treatment of El Missikat Fluorite-Bearing ore Material, Egypt, for Recovery of Pure Yttrium Oxide', Arab Journal of Nuclear Sciences and Applications, 51(4), pp. 89-99. doi: 10.21608/ajnsa.2018.12397
Khalil, M., El Hussaini, O., Abd El Wahab, G., Swafy, S. Chemical Treatment of El Missikat Fluorite-Bearing ore Material, Egypt, for Recovery of Pure Yttrium Oxide. Arab Journal of Nuclear Sciences and Applications, 2018; 51(4): 89-99. doi: 10.21608/ajnsa.2018.12397

Chemical Treatment of El Missikat Fluorite-Bearing ore Material, Egypt, for Recovery of Pure Yttrium Oxide

Article 10, Volume 51, Issue 4, October 2018, Page 89-99  XML PDF (567.3 K)
Document Type: Original Article
DOI: 10.21608/ajnsa.2018.12397
Authors
M.M.H Khalil* 1; O.M. El Hussaini2; G.M. Abd El Wahab2; S.K Swafy2
1Faculty of Science, Ain Shams University, Cairo, Egypt
2Nuclear Materials Authority, Cairo, Egypt
Abstract
El Missikat fluorite-bearing ore material, Eastern Desert, Egypt, has been identified as containing a quantity of heavy rare earth elements (REE) such as yttrium fluorite mineral. Rare earth concentrate prepared from sulfate solution of El Missikat fluorite- bearing ore material assays 0.615% of REE. The solution was prepared from ore material by two subsequent thermal steps namely; fluorine deactivation by MgO and roasting by (NH4)2SO4.The deactivated roasted matrix was leached with hot distilled H2O to prepare the solution which assays 0.846g/L of REE. This solution was treated with 20g of oxalic acid to produce impure RE oxalate cake which was ignited at 950oC. It was then dissolved in concentrated HNO3 to prepare the RE nitrate solution for extracting yttrium using tri butyl phosphate (TBP) in kerosene. The produced yttrium oxide was of 97.2% purity.
Keywords
Yttrium; extraction; TBP; Fluorite- bearing ore material
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